Fire-pot and lining



' Patented Feb. 5, 1.884.

s T BRYCE FIRE POT AND YLINING.

Until:

' EIUDUDUDEIII mmmcu:

(N0 Model.)

transverse section on the line :r.

ATENT Fries.

srnrnn'n T. BRYCE, or narrow, onto.

FlRE-POT AND LINING.

iPECIFICATIONforming part of Letters Patent No. 292,983, dated February 5, 1884.

Application filed October 18, 188-2. (No model.)

To (tZZ whom it may concern.- i

Be it known that I, STEPHEN T. BRYCE, a eitlzen of the United States, residing at Dayton,

in thecounty of Montgomery and State of,

specification.

My invention relates to improvements in hot-air furnaces, and it consists of improvements in the fire-pot and lining thereof, as will be hereinafter fully set forth.

The mechanism is illustrated in the accompanying drawings, in which Figure I is a side elevation of the hot-air furnace. Fig. II is a Fig. III is a horizontal section 011 the line 2*. Fig. IV is a top view of the intermediate fire-plate.

plate. Fig. VI is an oblique view of the interior fire-plate.

Similar letters refer to similar parts through out the several Views.

At A is represented a cast-iron furnace consisting of the. side walls, with lugs for bolts to attach the end walls. 011 the inside of the end walls are lugs 1?,to support the fire-pl ates, and three lugs, 12, to support the grates. The projections I and J are cast to the front plate,

LII

which have orifices, the former leading to the furnace, the latter to the ash-pit. They are closed by doors having registers, as shown at K, Fig. I. m Y

L are thick fire-plates supported by lugs on the side walls. The front plate protects only the front wall, and the rear protects not only the rear wall, but cog-wheels O, which are attached to spindles of the grates. The intermediate fire-plate,F,has afiange at aright an gle to the body,with numerous orifices. It is supported on lugs on the front and back plates, with the upper end resting against the side plates, as illustrated at Fig. II. On the flange of this plate is supported the fireplate E,with

Fi i V is an oblique View of the interniediate its upper end resting against'the furnace-plate. On the back edge of this plate is aseries of projections, which admit of the air passing between this plate and the wall of the furnace. The grates H are of the form illustrated at Fig. The spindles have bearings within lugs of the front and back plates. The front end of the middle grate is square, and thus adapted to be embraced by the square orifice of a crank, for the purpose of oscillating or rotating the grates. The grates are connected at their rear ends by the cog-wheels 0, attached to their shafts or spindles, and by this means they are made to oscillate or rotate, as may be desirable. The radiator B is attached to the top of the furnace, and consists of cast-iron heads, with the cylindrical part of wrought-iron plate. The cylinder enters grooves in the heads, and the parts are secured together/by straps riveted to the same, having threads for nuts on the ends. I The joints are filled with stove-putty, and the parts are tightly screwed together. WVithin the radiator is attached the plate (,3, (shown at Fig. II,,) and its position in the extension of the radiator beyond the furnace is indicated by dotted lines at 0, Fig. I. To the rear part of the radiatoris attached the pipe D, through which the products of combustion pass to the open air. G is a short pipe counecting the radiator and pipe, in which there is a damper, by which the escaping gases may be made to pass either directly through this pipe or by closing the same through pipe D. To prepare the furnace for use it is inclosed in masonry, all with the exception of the doors and pipes. To the inclosing masonry are attached pipes to convey the heated air to the rooms to be heated. \Vhen properly set, fuel is put onto the grate and set on fire, the air to supply the same being admitted through the diation than if the furnace were lined with fire I clay. The products of combustion pass into the radiator, over the division-plate, down to the escape-pipe, and into the open air. By opening the damper the products pass off. through pipe Ga This pipe may be used in starting the fire, or when less radiation of heat is desirable.

To free the grate from ashes the grates are slightly oscillated, and when desirable to clean them thoroughly from slate, clinkers, 850.,

they are revolved until free from all substances. Having fully described my invention,what I claim, and desire to secure by Letters Patent, is-

In the firepot of a furnace, an intermediate plate, F, with flange at bottom having numerand arranged with reference to the side Walls of same, substantially as and for the purpose set forth.

In testimony that I claim the foregoing as I my own I affix my signature in presence of two witnesses.

STEPHEN '1. BRYCE. \Vitnesses:

B. PICKERING, URIAH O. HARTRAXFT. 

